Case Study

Nestle sound masking across three open-plan floors

AET installed and commissioned a multi-zone sound masking system for Nestle, helping reduce speech transfer across open-plan areas and between floors connected by a large atrium.

425+ Speakers installed
7 Floors covered
60 Speakers per floor initially
1 Bespoke Elite system

The acoustic challenge

Nestle needed to reduce speech transfer across open-plan working areas, where phone conversations and travelling voices could be heard across the floorplate.

A large central atrium added another acoustic challenge, allowing speech to travel between floors.

01

Open-plan assessment

AET designed the system around open-plan areas and the additional sound travel created by the atrium.

02

Ceiling void installation

peakers were installed within the ceiling void, firing towards the slab to create an indirect, even sound.

03

Multi-zone setup

The system was split into multiple adjustable zones across the three floors.

04

Long-term maintenance

AET has continued to provide maintenance support for the system for more than 10 years.

Outcome

Long-term sound masking for a multi-floor workplace

The installation helped Nestle reduce open-plan speech transfer and support acoustic consistency across three floors.

Reduced speech transfer

The system helped manage travelling voices across open-plan areas.

Atrium support

Sound masking helped address speech carrying between floors through the central atrium.

Bespoke Elite system

AET supplied an Elite system suited to the project requirements.

Long-term continuity

The installation has been maintained by AET for more than 10 years.

Nestle’s system has supported the workplace for more than a decade, helping manage speech transfer across open-plan areas and between connected floors.
Case study note, Nestle

Answer practical questions clearly

Use FAQs to explain sound masking, privacy, installation, acoustic performance and what happens next.

What is sound masking?

Sound masking introduces a carefully controlled background sound that makes speech less intelligible and reduces distraction.

Where can it be used?

It can support open offices, private offices, meeting rooms and other spaces where speech privacy or focus matters.

How do we start?

AET reviews the workplace, understands the privacy or comfort challenge, then recommends an acoustic approach for the space.